57989087 has 4 divisors (see below), whose sum is σ = 62449800. Its totient is φ = 53528376.

The previous prime is 57989053. The next prime is 57989093. The reversal of 57989087 is 78098975.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57989087 - 2¹⁸ = 57726943 is a prime.

It is a super-2 number, since 2×57989087² = 6725468422187138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57989017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230337 + ... + 2230362.

It is an arithmetic number, because the mean of its divisors is an integer number (15612450).

Almost surely, 2^57989087 is an apocalyptic number.

57989087 is a deficient number, since it is larger than the sum of its proper divisors (4460713).

57989087 is a wasteful number, since it uses less digits than its factorization.

57989087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460712.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 57989087 is about 7615.0565986078. The cubic root of 57989087 is about 387.0633850246.

The spelling of 57989087 in words is "fifty-seven million, nine hundred eighty-nine thousand, eighty-seven".